Listener Taylor was making a medieval stew when she noticed a prominent ingredient was missing from the recipe: potatoes. Potato biologist Maria Scurrah and journalist Charles Mann explain the potato’s twisting route to stewpot domination. Special thanks to Graham Thiele, Bruce Owen, Alan Covey, and Gary Urton.

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Listener Christina gets ruffled by a stiff breeze and wants to know if she’s alone in her wind rage. Atmospheric science historian Vladimir Jankovic introduces Christina to her people, and iconic couples therapist Esther Perel, host of “How’s Work” and “Where Should We Begin,” helps Christina rethink her relationship with the wind.

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How are essential workers doing now? We check in with some of the essential workers we talked to back in April and hear what it’s been like to teach, fly on planes, ship packages, and drive a truck during a pandemic. Thanks to Rob, Justin, Tamasha, Lucy, Jacob, Kaleb, Ian, and Dawn.

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Listener Gab is clumsy — white sweaters, stemmed wine glasses, and sharp edges are off the table. Can Gab learn to be less clumsy? Professional steady hand Bryan Berg and kinesiologist Priscila Tamplain share tips for foiling fumbles. Special thanks to Carl Gabbard and Michael Wade.

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Attention all you #hortihotties, this week caller Esther asks about houseplants: When did we start keeping them, and has there ever been another houseplant heyday? Guests Catherine Horwood, author of Potted History, and Charlotte Salter-Townshend of the National Botanic Gardens in Dublin sift through the facts and expose the shady side of houseplant history. 

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This week, some comfort food. For a lot of us, the holidays won’t be the same this year. Instead of arguing around the table with our extended families, we’ll be stuck at home with a single-serving of mashed potatoes, face-timing the people we love. So we invited ourselves to your place. We asked you to tell us about a meal you can't forget. And you delivered. Your stories made us laugh, cry and get very hungry. Thanks to callers Margaret, Janae, Brandon, Johnny, Jameson, and Oz, and all of you who left us a message.

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Flora’s sister Ruth claims last year’s jack-o'-lantern seeds sprouted... a litter of decorative gourds. ELT gets to the bottom of this pumper stumper. Plus, a spooky Face ID mystery, and a peek under the husk of corn mazes. Guests: professor of horticulture and pumpkin expert Steve Reiners; farmer and corn maze designer Angie Treinen.

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Caller Sadera has a burning question: When there’s a wildfire, how do we figure out what caused it? Fire investigator Paul Steensland tells ELT what he searches for in the burnt landscape, and the clues that can lead him to the cause.

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Listener Lily called in about a crying shame: She thinks she cries too much. ELT investigates why we cry, and whether wet cheeks were once très chic. Ad Vingerhoets, crying researcher and clinical psychologist, and Tom Lutz, author of Crying: The Natural and Cultural History of Tears, talk through tears. Listen to the episode then vote in the poll below to let us know if you’re a mighty mister. Voting closes on Monday, October 5, 2020.

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